MCQOPTIONS
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| 1. |
Whitworth compressed steel is obtained when molten steel is subjected to a pressure of |
| A. | 5 kg/mm2 |
| B. | 9 kg/mm2 |
| C. | 13 kg/mm2 |
| D. | 15 kg/mm2 |
| Answer» C. 13 kg/mm2 | |